Home / 10,651.16-15,976.78-3,255.59

Finding the Fourth Proportional to 10,651.16, 15,976.78 and 3,255.59

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Solution

The fourth proportional to 10,651.16, 15,976.78 and 3,255.59 is: 4,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.16 : 15,976.78 = 3,255.59 : x
  2. Step 2: Convert to fraction form
    10,651.16/15,976.78 = 3,255.59/x
  3. Step 3: Cross multiply
    10,651.16x = 15,976.78 × 3,255.59
  4. Step 4: Simplify right side
    10,651.16x = 52,013,809.60
  5. Step 5: Solve for x
    x = 52,013,809.60/10,651.16
  6. Step 6: Final answer
    x = 4,883.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.